#include <stdio.h>
#include <string.h>
#define NAME "GIGATHINK, INC."
#define ADDRESS "101 Megabuck Plaza"
#define PLACE "Megapolis, CA 94904"
#define WIDTH 40
#define SPACE ' '
void show_n_char(char ch, int num);
int main()
{
    int spaces;

    show_n_char('*', WIDTH);
    putchar('\n');
    show_n_char(SPACE, 12);
    printf("%s\n", NAME);
    spaces = (WIDTH - strlen(ADDRESS)) / 2;

    show_n_char(SPACE, spaces);
    printf("%s\n", ADDRESS);
    show_n_char(SPACE, (WIDTH - strlen(PLACE)) / 2);

    printf("%s\n", PLACE);
    show_n_char('*', WIDTH);
    putchar('\n');

    return 0;
}
void show_n_char(char ch, int num)
{
    int count;
    for (count = 1; count <= num; count++)
    {
        putchar(ch);
    }
}